Speed of light in vacuum.
Speed of lights to Centimeter per Seconds Converter — c to cm/s
Convert Speed of light (c) to Centimeter per Seconds (cm/s) using the exact conversion factor (1 speed of light = 29,979,245,800 centimeter per seconds). See the formula, worked examples, and conversion table.
Speed of lights to Centimeter per Seconds converter
Converter
Speed Converter
Convert road, aviation, marine, lab, and scientific speed units.
Context values
Some unit families need one extra value for a physically accurate result.
Distance divided by time.
Result = input x 2.99792458e+8 / 0.01.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Speed of lights to Centimeter per Seconds
Speed of light and Centimeter per Seconds both describe speed, and the conversion matters whenever a maritime or aviation speed (knots) needs to be compared against a road speed (mph). Specifically: Speed of light in vacuum, and distance divided by time.
Formula
centimeter per seconds = speed of lights × 29979245800
This factor comes from each unit's defined relationship to the category's base unit: 1 speed of light equals 299792458 base units, and 1 centimeter per seconds equals 0.01 base units, so dividing one by the other gives the direct speed of light-to-centimeter per seconds factor of 29979245800.
Simple example
1 c × 29979245800 = 29,979,245,800 cm/s
1 speed of light = 29,979,245,800 centimeter per seconds.
Real-world example
10 c × 29979245800 = 299,792,458,000 cm/s
10 speed of lights = 299,792,458,000 centimeter per seconds.
Conversion table
| Speed of light (c) | Centimeter per Seconds (cm/s) |
|---|---|
| 1 c | 29,979,245,800 cm/s |
| 5 c | 149,896,229,000 cm/s |
| 10 c | 299,792,458,000 cm/s |
| 25 c | 749,481,145,000 cm/s |
| 50 c | 1.498962e+12 cm/s |
| 100 c | 2.997925e+12 cm/s |
Reverse conversion: Centimeter per Seconds to Speed of light
1 cm/s × 3.335641e-11 = 3.335641e-11 c
1 centimeter per seconds = 3.335641e-11 speed of lights.
speed of lights = centimeter per seconds × 3.335641e-11
For a page dedicated to this direction, see Centimeter per Seconds to Speed of light.
Understanding the Speed of light (c)
Speed of light in vacuum.
Understanding the Centimeter per Seconds (cm/s)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centimeter per seconds are in 1 speed of light?
1 speed of light equals 29,979,245,800 centimeter per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert speed of light to centimeter per seconds?
Multiply the speed of light value by 29979245800. The converter above does this instantly to whatever precision you set.
How do I convert centimeter per seconds back to speed of light?
Use the reverse factor: 1 centimeter per seconds equals 3.335641e-11 speed of lights. You can also use the swap control in the converter above to flip the direction instantly.
What is a speed of light?
Speed of light (c) is a unit of speed.
What is a centimeter per seconds?
Centimeter per Seconds (cm/s) is a unit of speed.
Is the speed of light to centimeter per seconds conversion exact?
Yes. Both speed of light and centimeter per seconds are defined by fixed standards rather than physical artifacts, so the factor of 29979245800 used above is exact to as many digits as you choose to display.